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Acta Physica Hungarica B) Quantum Electronics

Direct Measurement of Quasiprobabilities in Lossy Cavities

Raúl Juárez-Amaro, H. M. Moya-Cessa

Published Jan 1, 2004• 0 citations
Publisher
DOI
10.1556/aph.20.2004.1-2.13

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We present a scheme to reconstruct the quantum state of a field preparedinside a lossy cavity at finite temperature. Quantum coherences are normallydestroyed by the interaction with an environment, but we show that it ispossible to recover complete information about the initial state (beforeinteraction with its environment), making possible to reconstruct anysss-parametrized quasiprobability distribution, in particular, the Wignerfunction.